Backdrop Support System: Comes with 2 backdrop stands, 4 crossbars, and other accessories to ensure a stable support for your backdrop. Ideal for photo studio, parties, weddings, and other events Adjustable Height & Width: With adjustable height (27.56 7 / 70cm 2.1m) and width (5 10 / 1.5-3m), the backdrop support system holds your backdrop in place and helps you create different backgrounds for photography work Stable Backdrop Stand: The aluminum alloy backdrop stand is durable and stable with load capacity up to 8.8lb/4kg. Two empty nylon sandbags are included for added stability Secure Mounting: Keep your backdrop fixed to the backdrop support system with the strong spring clamps Package Contents: NEEWER Backdrop Stand 2-Pack, Four Crossbars, Six Backdrop Spring Clamps, Two Empty Sandbags, Carrying Bag, User Manual.